ASV module, CVS modules

[Skip Montanaro]

    ron>     file = open(input_file, "rb")
    ron> IOError: invalid argument: rb

    ron> I get a similar message from CSV module. Anyone use either of these
    ron> and can tell me what's wrong?

Sounds to me like your builtin open function is hosed somehow.  Opening
files using "rb" works for me:

    >>> f = open("cities.csv", "rb")
    >>> 

-- 
Skip Montanaro (skip at pobox.com - http://www.mojam.com/)